Page 521 - Battery Reference Book
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50/10  Lead-acid (secondary) batteries



                                                                 Vent plugs designed to eliminate
                                                                 spray but give free exit of gases
                                                                 Cell pillars and connectors give minimum
                                                                 resistance and maximum current flow




                                                                 Cell lids of opaque styrene
                                                                 acrylonitrile (SAN)


                                                                 Negative plates, pasted grids, provide
                                                                 perfect balance with the positive to
                                                                 give maximum performance


                                                                 Sintered microporous PVC separators
                                                                 give minimum resistance

                                                                 Plante’positive plates constructed
                                                                 of pure lead ensure that there is no
                                                                 fall-off in capacity throughout theil
                                                                 long life

                                                                 Plastic containers of transparent
                                                                 SAN allow the electrolyte level
                                                                 and cell condition to be clearly
                                                                 seen






















              Figure 50.3  Typical layout of Chloride Industrial Batteries type YHP standby power battery (Courtesy of Chloride Batteries)

                The most reliable type of battery for engine starting   High-performance flat-plate  types
              is  the  Plant6  high-performance  type.  The  standby
              engine  is,  of  course,  required  for  many  emergency   Chloride  Industrial  Batteries  also  supply  high-
              applications  where  maximum  reliability  is  essential.   performance  flat-plate cell  type  standby  batteries  in
              These  applications  include  emergency  lighting,   the  conventional  vented  (types  FAP-H  and  FCP-H)
              sprinkler  systems,  industrial  processes,  telecommun-   and  low-maintenance  (types  SAP,  SBP  and  SEP)
              ications, and any auxiliary power requirements.   versions. Capacities up to 600 Ah (vented, Table 50.9)
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